Rasagar/Library/PackageCache/com.unity.cinemachine/Runtime/Behaviours/CinemachineExternalCamera.cs
2024-08-26 23:07:20 +03:00

81 lines
3.3 KiB
C#

using Cinemachine.Utility;
using UnityEngine;
using UnityEngine.Serialization;
namespace Cinemachine
{
/// <summary>
/// This component will expose a non-cinemachine camera to the cinemachine system,
/// allowing it to participate in blends.
/// Just add it as a component alongside an existing Unity Camera component.
/// </summary>
[DocumentationSorting(DocumentationSortingAttribute.Level.UserRef)]
[RequireComponent(typeof(Camera)), DisallowMultipleComponent]
[AddComponentMenu("Cinemachine/CinemachineExternalCamera")]
[ExecuteAlways]
[HelpURL(Documentation.BaseURL + "manual/CinemachineExternalCamera.html")]
public class CinemachineExternalCamera : CinemachineVirtualCameraBase
{
/// <summary>The object that the camera is looking at.</summary>
[Tooltip("The object that the camera is looking at. Setting this will improve the "
+ "quality of the blends to and from this camera")]
[NoSaveDuringPlay]
[VcamTargetProperty]
public Transform m_LookAt = null;
private Camera m_Camera;
private CameraState m_State = CameraState.Default;
/// <summary>Get the CameraState, as we are able to construct one from the Unity Camera</summary>
public override CameraState State { get { return m_State; } }
/// <summary>The object that the camera is looking at</summary>
override public Transform LookAt
{
get { return m_LookAt; }
set { m_LookAt = value; }
}
/// <summary>This vcam defines no targets</summary>
override public Transform Follow { get; set; }
/// <summary>Hint for blending positions to and from this virtual camera</summary>
[Tooltip("Hint for blending positions to and from this virtual camera")]
[FormerlySerializedAs("m_PositionBlending")]
public BlendHint m_BlendHint = BlendHint.None;
/// <summary>Internal use only. Do not call this method</summary>
/// <param name="worldUp">Effective world up</param>
/// <param name="deltaTime">Effective deltaTime</param>
public override void InternalUpdateCameraState(Vector3 worldUp, float deltaTime)
{
// Get the state from the camera
if (m_Camera == null)
{
#if UNITY_2019_2_OR_NEWER
TryGetComponent(out m_Camera);
#else
m_Camera = GetComponent<Camera>();
#endif
}
m_State = CameraState.Default;
m_State.RawPosition = transform.position;
m_State.RawOrientation = transform.rotation;
m_State.ReferenceUp = m_State.RawOrientation * Vector3.up;
if (m_Camera != null)
m_State.Lens = LensSettings.FromCamera(m_Camera);
if (m_LookAt != null)
{
m_State.ReferenceLookAt = m_LookAt.transform.position;
Vector3 dir = m_State.ReferenceLookAt - State.RawPosition;
if (!dir.AlmostZero())
m_State.ReferenceLookAt = m_State.RawPosition + Vector3.Project(
dir, State.RawOrientation * Vector3.forward);
}
ApplyPositionBlendMethod(ref m_State, m_BlendHint);
InvokePostPipelineStageCallback(this, CinemachineCore.Stage.Finalize, ref m_State, deltaTime);
}
}
}